Portable radio



FIG. 1 is an isometric view of the portable radio showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

The broken line showings in FIGS. 1 and 2 of the earphone, and of the cord for a mobile telephone earphone jack, are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portable radio, as shown and described. 